The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 15, 2016
Filed:
Mar. 04, 2014
Applicant:
Oplink Communications, Inc., Fremont, CA (US);
Inventors:
Kesheng Xu, San Ramon, CA (US);
Kun Liu, Sunnyvale, CA (US);
Lifu Gong, San Jose, CA (US);
Feng Qing Zhou, San Jose, CA (US);
Assignee:
Oplink Communications, Inc., Fremont, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04J 14/00 (2006.01); H04B 10/20 (2006.01); H04J 14/02 (2006.01); H04Q 11/00 (2006.01); H04L 12/18 (2006.01);
U.S. Cl.
CPC ...
H04Q 11/0005 (2013.01); H04J 14/0204 (2013.01); H04J 14/0212 (2013.01); H04J 14/0217 (2013.01); H04L 12/18 (2013.01); H04Q 2011/003 (2013.01); H04Q 2011/0015 (2013.01);
Abstract
Methods, systems, and apparatus, including computer programs encoded on computer storage media, for optical switching. An optical switch device includes a first multicast switch unit; and a second multicast switch unit, wherein each of the first and second multicast switch units respectively include: multiple optical input ports; multiple optical switches; multiple optical splitters/combiners; and multiple optical output ports.